220182980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{2069}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 491384880

約数和(自身を除く): 271201900

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 313, 340, 626, 1252, 1565, 2069, 3130, 4138, 5321, 6260, 8276, 10345, 10642, 20690, 21284, 26605, 35173, 41380, 53210, 70346, 106420, 140692, 175865, 351730, 647597, 703460, 1295194, 2590388, 3237985, 6475970, 11009149, 12951940, 22018298, 44036596, 55045745, 110091490, 220182980]

約数ペア:

[(1, 220182980), (2, 110091490), (4, 55045745), (5, 44036596), (10, 22018298), (17, 12951940), (20, 11009149), (34, 6475970), (68, 3237985), (85, 2590388), (170, 1295194), (313, 703460), (340, 647597), (626, 351730), (1252, 175865), (1565, 140692), (2069, 106420), (3130, 70346), (4138, 53210), (5321, 41380), (6260, 35173), (8276, 26605), (10345, 21284), (10642, 20690)]